{"id":"000028284","type":"book","title":"A contribution to the geology and forest history of Beaver Island, Michigan. - Ann Arbor, MI","container-title":"Conference of the Great Lakes Research <12, 1969, Ann Arbor> : proceedings. - S. 225-236 : 5 Ill","author":[{"family":"Kapp","given":"Ronald O."}],"issued":{"raw":"1969"}}